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Installio Logo Installio · Energy

Solar & Battery Technical Lead

United Kingdom, Colchester 55000.00 GBP / Year · Job Posted December 09, 2025
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Job Description

Are you passionate about accelerating the UK’s transition to clean energy? Installio is looking for a driven and knowledgeable Solar PV & Battery Technical Lead to join our growing team, helping us deliver high-quality, compliant, and efficient renewable energy systems across the country. As one of the UK’s fastest-growing renewable installation companies - and a trusted partner for solar retailers, installers, and manufacturers - Installio is on a mission to build the leading nationwide network of clean-energy professionals. This role is ideal for an experienced solar engineer or electrician looking to step off the tools and into a technical leadership position.

Job Responsibility

  • Lead the end-to-end technical design of residential solar PV and battery storage systems
  • Produce compliant solar PV layouts, inverter/battery specifications, cable schedules, and single-line diagrams
  • Conduct desktop technical assessments using surveys, photos, and design tools
  • Validate roof layouts, shading analysis, and system performance estimates
  • Ensure all designs meet MCS standards, G99/G100 compliance, and DNO requirements
  • Provide technical guidance to installers, project managers, and customers
  • Support installer vetting, training, and quality assurance processes
  • Troubleshoot technical issues and refine system designs based on installer feedback
  • Develop and improve internal design processes, templates, and tools
  • Stay up to date with solar and battery technologies, standards, and best practices

Requirements

  • Proven experience designing and specifying solar PV and battery systems
  • Strong understanding of electrical installation practices and BS 7671
  • Experience with MCS standards for solar PV and battery storage
  • Confidence interpreting surveys, photos, and roof plans
  • Ability to identify risks, compliance issues, and design optimisations
  • Excellent attention to detail and a methodical approach
  • Strong communication skills and confidence advising installers
  • Comfortable working in a fast-moving, growing startup
  • UK driving licence (site visits)

Nice to have

  • 18th Edition Wiring Regulations
  • Solar PV design software experience (e.g., PVSol, Helioscope, OpenSolar)
  • Battery commissioning or advanced training (e.g., GivEnergy, Tesla, SolarEdge)
  • MCS Solar PV qualification or equivalent
  • Experience leading teams or managing technical workflows

What we offer

  • £55K annual salary plus bonus
  • 28 days holiday per year (incl. national holidays)
  • Company vehicle
  • Opportunity to shape processes in a rapidly growing renewable business
  • Modern, supportive, and inspiring work environment
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